Bird cage



FIG. 1 is a perspective view of a bird cage showing my new design.

FIG. 2 is a front elevational view of the bird cage of FIG. 1.

FIG. 3 is a rear elevational view of the bird cage of FIG. 1.

FIG. 4 is a right side elevational view of the bird cage of FIG. 1.

FIG. 5 is a left side elevational view of the bird cage of FIG. 1.

FIG. 6 is a top plan view of the bird cage of FIG. 1; and,

FIG. 7 is a bottom plan view of the bird cage of FIG. 1.

The broken lines in the figures depict portions of the bird cage thatform no part of the claimed design.

CLAIM I claim the ornamental design for a bird cage, as shown anddescribed.